Car portion



FIG. 1 is a top, front, and left side perspective view of a car portion embodying my new design;

FIG. 2 is a top, rear, and right side perspective view thereof;

FIG. 3 is a left side elevation view thereof; and,

FIG. 4 is a right side elevation view thereof.

The broken lines are shown for the purpose of illustrating portions of the car and form no part of the claimed design. 

CLAIM The ornamental design for a car portion, as shown and described. 